1#! /bin/sh 2# Wrapper for compilers which do not understand '-c -o'. 3 4scriptversion=2025-02-03.05; # UTC 5 6# Copyright (C) 1999-2025 Free Software Foundation, Inc. 7# Written by Tom Tromey <tromey@cygnus.com>. 8# 9# This program is free software; you can redistribute it and/or modify 10# it under the terms of the GNU General Public License as published by 11# the Free Software Foundation; either version 2, or (at your option) 12# any later version. 13# 14# This program is distributed in the hope that it will be useful, 15# but WITHOUT ANY WARRANTY; without even the implied warranty of 16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17# GNU General Public License for more details. 18# 19# You should have received a copy of the GNU General Public License 20# along with this program. If not, see <https://www.gnu.org/licenses/>. 21 22# As a special exception to the GNU General Public License, if you 23# distribute this file as part of a program that contains a 24# configuration script generated by Autoconf, you may include it under 25# the same distribution terms that you use for the rest of that program. 26 27# This file is maintained in Automake, please report 28# bugs to <bug-automake@gnu.org> or send patches to 29# <automake-patches@gnu.org>. 30 31nl=' 32' 33 34# We need space, tab and new line, in precisely that order. Quoting is 35# there to prevent tools from complaining about whitespace usage. 36IFS=" "" $nl" 37 38file_conv= 39 40# func_file_conv build_file unneeded_conversions 41# Convert a $build file to $host form and store it in $file 42# Currently only supports Windows hosts. If the determined conversion 43# type is listed in (the comma separated) UNNEEDED_CONVERSIONS, no 44# conversion will take place. 45func_file_conv () 46{ 47 file=$1 48 case $file in 49 / | /[!/]*) # absolute file, and not a UNC file 50 if test -z "$file_conv"; then 51 # lazily determine how to convert abs files 52 case `uname -s` in 53 MINGW*) 54 if test -n "$MSYSTEM" && (cygpath --version) >/dev/null 2>&1; then 55 # MSYS2 environment. 56 file_conv=cygwin 57 else 58 # Original MinGW environment. 59 file_conv=mingw 60 fi 61 ;; 62 MSYS*) 63 # Old MSYS environment, or MSYS2 with 32-bit MSYS2 shell. 64 file_conv=cygwin 65 ;; 66 CYGWIN*) 67 # Cygwin environment. 68 file_conv=cygwin 69 ;; 70 *) 71 file_conv=wine 72 ;; 73 esac 74 fi 75 case $file_conv/,$2, in 76 *,$file_conv,*) 77 # This is the optimization mentioned above: 78 # If UNNEEDED_CONVERSIONS contains $file_conv, don't convert. 79 ;; 80 mingw/*) 81 file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` 82 ;; 83 cygwin/*) 84 file=`cygpath -w "$file" || echo "$file"` 85 ;; 86 wine/*) 87 file=`winepath -w "$file" || echo "$file"` 88 ;; 89 esac 90 ;; 91 esac 92} 93 94# func_cl_dashL linkdir 95# Make cl look for libraries in LINKDIR 96func_cl_dashL () 97{ 98 func_file_conv "$1" 99 if test -z "$lib_path"; then 100 lib_path=$file 101 else 102 lib_path="$lib_path;$file" 103 fi 104 linker_opts="$linker_opts -LIBPATH:$file" 105} 106 107# func_cl_dashl library 108# Do a library search-path lookup for cl 109func_cl_dashl () 110{ 111 lib=$1 112 found=no 113 save_IFS=$IFS 114 IFS=';' 115 for dir in $lib_path $LIB 116 do 117 IFS=$save_IFS 118 if $shared && test -f "$dir/$lib.dll.lib"; then 119 found=yes 120 lib=$dir/$lib.dll.lib 121 break 122 fi 123 if test -f "$dir/$lib.lib"; then 124 found=yes 125 lib=$dir/$lib.lib 126 break 127 fi 128 if test -f "$dir/lib$lib.a"; then 129 found=yes 130 lib=$dir/lib$lib.a 131 break 132 fi 133 done 134 IFS=$save_IFS 135 136 if test "$found" != yes; then 137 lib=$lib.lib 138 fi 139} 140 141# func_cl_wrapper cl arg... 142# Adjust compile command to suit cl 143func_cl_wrapper () 144{ 145 # Assume a capable shell 146 lib_path= 147 shared=: 148 linker_opts= 149 for arg 150 do 151 if test -n "$eat"; then 152 eat= 153 else 154 case $1 in 155 -o) 156 # configure might choose to run compile as 'compile cc -o foo foo.c'. 157 eat=1 158 case $2 in 159 *.o | *.lo | *.[oO][bB][jJ]) 160 func_file_conv "$2" 161 set x "$@" -Fo"$file" 162 shift 163 ;; 164 *) 165 func_file_conv "$2" 166 set x "$@" -Fe"$file" 167 shift 168 ;; 169 esac 170 ;; 171 -I) 172 eat=1 173 func_file_conv "$2" mingw 174 set x "$@" -I"$file" 175 shift 176 ;; 177 -I*) 178 func_file_conv "${1#-I}" mingw 179 set x "$@" -I"$file" 180 shift 181 ;; 182 -l) 183 eat=1 184 func_cl_dashl "$2" 185 set x "$@" "$lib" 186 shift 187 ;; 188 -l*) 189 func_cl_dashl "${1#-l}" 190 set x "$@" "$lib" 191 shift 192 ;; 193 -L) 194 eat=1 195 func_cl_dashL "$2" 196 ;; 197 -L*) 198 func_cl_dashL "${1#-L}" 199 ;; 200 -static) 201 shared=false 202 ;; 203 -Wl,*) 204 arg=${1#-Wl,} 205 save_ifs="$IFS"; IFS=',' 206 for flag in $arg; do 207 IFS="$save_ifs" 208 linker_opts="$linker_opts $flag" 209 done 210 IFS="$save_ifs" 211 ;; 212 -Xlinker) 213 eat=1 214 linker_opts="$linker_opts $2" 215 ;; 216 -*) 217 set x "$@" "$1" 218 shift 219 ;; 220 *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) 221 func_file_conv "$1" 222 set x "$@" -Tp"$file" 223 shift 224 ;; 225 *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) 226 func_file_conv "$1" mingw 227 set x "$@" "$file" 228 shift 229 ;; 230 *) 231 set x "$@" "$1" 232 shift 233 ;; 234 esac 235 fi 236 shift 237 done 238 if test -n "$linker_opts"; then 239 linker_opts="-link$linker_opts" 240 fi 241 exec "$@" $linker_opts 242 exit 1 243} 244 245eat= 246 247case $1 in 248 '') 249 echo "$0: No command. Try '$0 --help' for more information." 1>&2 250 exit 1; 251 ;; 252 -h | --h*) 253 cat <<\EOF 254Usage: compile [--help] [--version] PROGRAM [ARGS] 255 256Wrapper for compilers which do not understand '-c -o'. 257Remove '-o dest.o' from ARGS, run PROGRAM with the remaining 258arguments, and rename the output as expected. 259 260If you are trying to build a whole package this is not the 261right script to run: please start by reading the file 'INSTALL'. 262 263Report bugs to <bug-automake@gnu.org>. 264GNU Automake home page: <https://www.gnu.org/software/automake/>. 265General help using GNU software: <https://www.gnu.org/gethelp/>. 266EOF 267 exit $? 268 ;; 269 -v | --v*) 270 echo "compile (GNU Automake) $scriptversion" 271 exit $? 272 ;; 273 cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \ 274 clang-cl | *[/\\]clang-cl | clang-cl.exe | *[/\\]clang-cl.exe | \ 275 icl | *[/\\]icl | icl.exe | *[/\\]icl.exe ) 276 func_cl_wrapper "$@" # Doesn't return... 277 ;; 278esac 279 280ofile= 281cfile= 282 283for arg 284do 285 if test -n "$eat"; then 286 eat= 287 else 288 case $1 in 289 -o) 290 # configure might choose to run compile as 'compile cc -o foo foo.c'. 291 # So we strip '-o arg' only if arg is an object. 292 eat=1 293 case $2 in 294 *.o | *.obj) 295 ofile=$2 296 ;; 297 *) 298 set x "$@" -o "$2" 299 shift 300 ;; 301 esac 302 ;; 303 *.c) 304 cfile=$1 305 set x "$@" "$1" 306 shift 307 ;; 308 *) 309 set x "$@" "$1" 310 shift 311 ;; 312 esac 313 fi 314 shift 315done 316 317if test -z "$ofile" || test -z "$cfile"; then 318 # If no '-o' option was seen then we might have been invoked from a 319 # pattern rule where we don't need one. That is ok -- this is a 320 # normal compilation that the losing compiler can handle. If no 321 # '.c' file was seen then we are probably linking. That is also 322 # ok. 323 exec "$@" 324fi 325 326# Name of file we expect compiler to create. 327cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` 328 329# Create the lock directory. 330# Note: use '[/\\:.-]' here to ensure that we don't use the same name 331# that we are using for the .o file. Also, base the name on the expected 332# object file name, since that is what matters with a parallel build. 333lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d 334while true; do 335 if mkdir "$lockdir" >/dev/null 2>&1; then 336 break 337 fi 338 sleep 1 339done 340# FIXME: race condition here if user kills between mkdir and trap. 341trap "rmdir '$lockdir'; exit 1" 1 2 15 342 343# Run the compile. 344"$@" 345ret=$? 346 347if test -f "$cofile"; then 348 test "$cofile" = "$ofile" || mv "$cofile" "$ofile" 349elif test -f "${cofile}bj"; then 350 test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" 351fi 352 353rmdir "$lockdir" 354exit $ret 355 356# Local Variables: 357# mode: shell-script 358# sh-indentation: 2 359# eval: (add-hook 'before-save-hook 'time-stamp nil t) 360# time-stamp-start: "scriptversion=" 361# time-stamp-format: "%:y-%02m-%02d.%02H" 362# time-stamp-time-zone: "UTC0" 363# time-stamp-end: "; # UTC" 364# End: 365